diff --git a/vcl/unx/gtk/app/gtkdata.cxx b/vcl/unx/gtk/app/gtkdata.cxx
index 6dc0cbf305cd..94d069dba884 100644
--- a/vcl/unx/gtk/app/gtkdata.cxx
+++ b/vcl/unx/gtk/app/gtkdata.cxx
@@ -1030,6 +1030,8 @@ void GtkSalDisplay::RefreshMenusUnity()
             pSalMenu->UpdateFull();
         }
     }
+#else
+    (void) this;
 #endif
 }
 #endif